adding MQ

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"image"
 	"image/color"
 	_ "image/jpeg"
@@ -11,9 +12,21 @@ import (
 
 	rgbmatrix "gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix"
 	"github.com/disintegration/imaging"
+	MQTT "github.com/eclipse/paho.mqtt.golang"
 	"github.com/fogleman/gg"
 )
 
+type Animation struct {
+	ctx      *gg.Context
+	position image.Point
+	dir      image.Point
+	height   int
+	width    int
+	stroke   int
+	image    []image.Image
+	updown   int
+}
+
 var (
 	rows                     = flag.Int("led-rows", 32, "number of rows supported")
 	cols                     = flag.Int("led-cols", 32, "number of columns supported")
@@ -37,7 +50,7 @@ func main() {
 	config.ShowRefreshRate = *show_refresh
 	config.InverseColors = *inverse_colors
 	config.DisableHardwarePulsing = *disable_hardware_pulsing
-
+	setupMQTT()
 	/*bounds := mario.Bounds()
 	var histogram [16][4]int
 	for y := bounds.Min.Y; y < bounds.Max.Y; y++ {
@@ -60,6 +73,20 @@ func main() {
 	tk.PlayAnimation(NewAnimation(image.Point{64, 32}))
 }
 
+func setupMQTT() {
+	opts := MQTT.NewClientOptions()
+	opts.AddBroker(fmt.Sprintf("tcp://%s:%s", os.Getenv("MQTTBROKER"), os.Getenv("MQTTPORT")))
+	opts.SetUsername(os.Getenv("MQTTUSER"))
+	opts.SetPassword(os.Getenv("MQTTPASS"))
+	opts.SetDefaultPublishHandler(messagePubHandler)
+	opts.OnConnect = connectHandler
+	opts.OnConnectionLost = connectLostHandler
+	client := MQTT.NewClient(opts)
+	if token := client.Connect(); token.Wait() && token.Error() != nil {
+		panic(token.Error())
+	}
+
+}
 func init() {
 	flag.Parse()
 }
@@ -70,17 +97,6 @@ func fatal(err error) {
 	}
 }
 
-type Animation struct {
-	ctx      *gg.Context
-	position image.Point
-	dir      image.Point
-	height   int
-	width    int
-	stroke   int
-	image    []image.Image
-	updown   int
-}
-
 func NewAnimation(sz image.Point) *Animation {
 	reader, err := os.Open("marioUp.png")
 	if err != nil {
@@ -114,9 +130,6 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 	defer a.updatePosition()
 	a.ctx.SetColor(color.Black)
 	a.ctx.Clear()
-	//a.ctx.SetColor(color.RGBA{0, 255, 0, 255})
-	//a.ctx.DrawCircle(float64(8), float64(8), float64(a.stroke))
-	//a.ctx.Fill()
 	if a.dir.X == 1 {
 		a.ctx.DrawImageAnchored(a.image[a.updown], a.position.X, a.position.Y, 0.5, 0.5)
 	} else {